Machine Screw P/N NASM24693-25B

Specifications

Thread series designator

Unified National Coarse (UNC)

Countersink angle

99.0–101.0 °

Head diameter

0.238–0.279 in

Nominal thread diameter

Inches 0.138

Thread quantity per inch

32

Minimum tensile strength

Pounds Per Square Inch 80000

Thread class

2A

Screw material document and classification

Fed STD All Material Responses FED-STD66

Nondefinitive spec/std data

Type 3 and Style 3C

Screw material

Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316

Thread direction

Right-Hand

Thread length

0.159–0.252 in

Fastener length

0.281–0.312 in

Screw surface treatment

Oxide

Screw surface treatment document and classification

MIL Spec Single Treatment Response -IL-C-13924,CL 4

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

NASM24693-25B MS24693-25B

Also referenced as

610659 10125206

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock
Unit of issue	PG package
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

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FAQ

What is NSN 5305-00-340-4750?
NSN 5305-00-340-4750 (5305003404750) — Machine Screw: SECO Parts has 47 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for machine screw in federal supply class 5305 (Screws).

Is NSN 5305-00-340-4750 available?
SECO Parts has 47 in stock in Augusta, GA — order or request a quote below.

How much does NSN 5305-00-340-4750 cost?
NSN 5305-00-340-4750 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.

What part numbers cross-reference to NSN 5305-00-340-4750?
Part numbers that cross-reference this NSN include NASM24693-25B, MS24693-25B. It is also referenced by older, superseded or advisory numbers: 610659, 10125206. SECO can quote against any of them.